
import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int q = in.nextInt();
        int[][] arr = new int[n+1][m+1];
        long[][] dp = new long[n+1][m+1];
        //填充数组
        for (int i = 1;i < n+1;i++) {
            for (int j = 1;j < m+1;j++) {
                arr[i][j] = in.nextInt();
            }
        }
        //构造前缀和数组
        for (int i = 1;i < n+1;i++) {
            for (int j = 1;j < m+1;j++) {
                dp[i][j] = dp[i-1][j] + dp[i][j-1] + arr[i][j] - dp[i-1][j-1];
            }
        }
        //使用前缀和数组
        for (int i = 0;i < q;i++) {
            int x1 = in.nextInt();
            int y1 = in.nextInt();
            int x2 = in.nextInt();
            int y2 = in.nextInt();

            long ret = dp[x2][y2] - dp[x2][y1-1] - dp[x1-1][y2] + dp[x1-1][y1-1];
            System.out.println(ret);
        }
    }
}